"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 硬件故障类--network
Case Name   : 备升主时，目标备节点网络延迟大
Create At   : 2021/07/30
@zou_jialiang0505328126
Description :
    1.停止主节点
    2.目标备节点注入网络延迟故障
    3.备升主
Expect      :
    1.成功
    2.成功
    3.成功
History     :
"""

import unittest
import time
from yat.test import Node
from testcase.utils.Common import Common
from testcase.utils.Constant import Constant
from testcase.utils.CommonSH import CommonSH
from testcase.utils.CommonSH import RestartDbCluster
from testcase.utils.Logger import Logger
from testcase.utils.ComThread import ComThread



class NetWork(unittest.TestCase):
    nodes_tuple = ('PrimaryDbUser', 'Standby1DbUser', 'Standby2DbUser')

    @RestartDbCluster(*nodes_tuple)
    def setUp(self):
        self.log = Logger()
        self.log.info(
            '---------Opengauss_Reliability_Hardware_Case093:开始执行---------')
        self.primary_root_node = Node(node='PrimaryRoot')
        self.sta1_root_node = Node(node='Standby1Root')
        self.com = Common()
        self.pri_sh = CommonSH('PrimaryDbUser')
        self.sta1_sh = CommonSH('Standby1DbUser')
        self.constant = Constant()

        self.hostmsg = self.primary_root_node.sh('hostname;').result()
        self.log.info(f'hostname is {self.hostmsg}')

        self.log.info("-------------获取网卡名---------------")
        shell_cmd = "ifconfig | head -1"
        self.log.info(shell_cmd)
        msg = self.sta1_root_node.sh(shell_cmd).result()
        self.networkcard = msg.split(":")[0].strip()
        self.log.info(msg)

    def test_main(self):
        self.log.info("---------------1.停止主节点-----------------")
        text = '----step1: 停止主节点 expect:成功----'
        result = self.pri_sh.stopDbInstance()
        self.assertIn(self.constant.GS_CTL_STOP_SUCCESS_MSG, result,
                      '执行失败:' + text)

        self.log.info("--------------2.目标备节点注入网络延迟故障-------------")
        text = '----step2: 目标备节点注入网络延迟故障 expect:成功----'
        inject_command = f"rNet_delay_Ex (dev, time,duration) " \
            f"values({self.networkcard}, 10ms,180)"
        cfe_thread = ComThread(
            self.com.cfe_inject, args=(self.sta1_root_node, inject_command,))
        cfe_thread.setDaemon(True)
        cfe_thread.start()
        time.sleep(5)
        result = self.com.cfe_query(self.sta1_root_node,
                                    f"rNet_delay where "
                                    f"dev={self.networkcard}")
        self.log.info(result)
        self.assertIn("10.0ms", result, '执行失败:' + text)

        self.log.info("--------------3.备升主-------------")
        text = '----step3: 备升主 expect:成功----'
        result = self.sta1_sh.executeGsctl('failover',
                                          self.constant.FAILOVER_SUCCESS_MSG)
        self.assertTrue(result, '执行失败:' + text)
        result = self.sta1_sh.exec_refresh_conf()
        self.assertTrue(result, '执行失败:' + text)

    def tearDown(self):
        for i in range(5):
            result = self.com.cfe_query(self.sta1_root_node,
                                        f"rNet_delay where "
                                        f"dev={self.networkcard}")
            self.log.info(result)
            if "10.0ms" in result:
                time.sleep(30)
            else:
                break
        self.log.info("---------------还原集群------------")
        self.pri_sh.executeGsctl(
            'start', 'start', '-M standby')
        self.pri_sh.executeGsctl(
            'switchover', self.constant.SWITCHOVER_SUCCESS_MSG)
        self.pri_sh.exec_refresh_conf()
        self.log.info('-----Opengauss_Reliability_Hardware_Case093:执行完成-----')
